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CREATE OR REPLACE VIEW OE.DEPTVIEW AS
SELECT xmlelement("Department", xmlForest(department_name, location_id),
(SELECT sys_xmlagg(xmlelement("Employee",xmlForest(last_name,
job_id,manager_id,
hire_date,
salary,
commission_pct)
), xmlformat('EmployeeList'))
FROM employees e WHERE e.department_id = d.department_id
)) xml
FROM departments d